---> uname -a: Linux 325dde634236 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 x86_64 Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 40 bits physical, 48 bits virtual CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 44 Model name: Westmere E56xx/L56xx/X56xx (IBRS update) Stepping: 1 CPU MHz: 2933.438 BogoMIPS: 5866.87 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB L1i cache: 128 KiB L2 cache: 16 MiB L3 cache: 64 MiB NUMA node0 CPU(s): 0-3 Vulnerability Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Tsx async abort: Not affected Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology eagerfpu pni pclmulqdq vmx ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes hypervisor lahf_lm ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid tsc_adjust arat spec_ctrl intel_stibp ---> nproc: 4 ---> df -h: Filesystem Size Used Available Use% Mounted on overlay 50.0G 6.9G 43.0G 14% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 6.9G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hostname /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hosts /dev/vda1 50.0G 6.9G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/gexfoundry_device-mqtt-go_PR-173 /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/gexfoundry_device-mqtt-go_PR-173@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 668 149 0 1019 1062 Swap: 1023 1 1022 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 6: eth0@if7: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/17/20 _x86_64_ (4 CPU) 08:36:04 LINUX RESTART (4 CPU) 08:37:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:38:01 27.43 10.71 16.72 0.00 4428.18 2356.80 0.00 08:39:01 1.67 0.00 1.67 0.00 0.00 29.75 0.00 08:40:01 0.38 0.00 0.38 0.00 0.00 6.11 0.00 08:41:01 0.30 0.00 0.30 0.00 0.00 4.85 0.00 08:42:01 0.32 0.00 0.32 0.00 0.00 6.00 0.00 08:43:01 0.42 0.02 0.40 0.00 0.13 6.55 0.00 08:44:01 0.27 0.00 0.27 0.00 0.00 4.51 0.00 08:45:01 0.30 0.00 0.30 0.00 0.00 6.06 0.00 08:46:01 0.30 0.00 0.30 0.00 0.00 5.11 0.00 08:47:01 0.37 0.00 0.37 0.00 0.00 5.98 0.00 08:48:01 0.32 0.00 0.32 0.00 0.00 4.71 0.00 08:49:01 0.22 0.00 0.22 0.00 0.00 4.10 0.00 08:50:01 0.28 0.00 0.28 0.00 0.00 3.41 0.00 Average: 2.50 0.83 1.68 0.00 340.72 188.04 0.00 08:37:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:38:01 163176 0 591592 31.44 2620 1124168 1109840 37.88 425920 1133636 20 08:39:01 169124 0 585640 31.13 2620 1124172 1072184 36.59 425344 1129452 8 08:40:01 168924 0 585832 31.14 2620 1124180 1072184 36.59 427400 1127404 8 08:41:01 166632 0 588124 31.26 2620 1124180 1072464 36.60 432392 1124728 20 08:42:01 166308 0 588440 31.27 2620 1124188 1072500 36.60 435920 1121592 20 08:43:01 166992 0 587748 31.24 2620 1124196 1072404 36.60 435548 1121588 12 08:44:01 167876 0 586864 31.19 2620 1124196 1072248 36.59 434452 1121588 8 08:45:01 166880 0 587852 31.24 2620 1124204 1072476 36.60 430008 1127388 8 08:46:01 167980 0 586748 31.18 2620 1124208 1072248 36.59 428772 1127388 8 08:47:01 166952 0 587764 31.24 2620 1124220 1072560 36.60 424276 1133004 8 08:48:01 166732 0 587984 31.25 2620 1124220 1072560 36.60 424312 1133004 16 08:49:01 166780 0 587928 31.25 2620 1124228 1072560 36.60 423980 1133264 8 08:50:01 166588 0 588116 31.26 2620 1124232 1072524 36.60 423800 1133260 8 Average: 166996 0 587741 31.24 2620 1124199 1075289 36.70 428625 1128254 12 08:37:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:38:01 eth0 75.09 61.83 338.32 29.91 0.00 0.00 0.00 0.00 08:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:38:01 docker0 2.18 1.68 0.36 3.61 0.00 0.00 0.00 0.00 08:39:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 0.00 08:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 eth0 1.00 0.07 0.09 0.01 0.00 0.00 0.00 0.00 08:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:41:01 eth0 1.55 0.62 0.59 0.40 0.00 0.00 0.00 0.00 08:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:42:01 eth0 0.98 0.40 0.43 0.27 0.00 0.00 0.00 0.00 08:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:43:01 eth0 1.32 0.58 0.58 0.37 0.00 0.00 0.00 0.00 08:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:44:01 eth0 0.58 0.07 0.06 0.04 0.00 0.00 0.00 0.00 08:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:45:01 eth0 0.73 0.42 0.28 0.21 0.00 0.00 0.00 0.00 08:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:46:01 eth0 1.55 0.08 0.14 0.01 0.00 0.00 0.00 0.00 08:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:47:01 eth0 2.63 0.88 0.98 0.63 0.00 0.00 0.00 0.00 08:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:48:01 eth0 2.07 0.75 0.74 0.44 0.00 0.00 0.00 0.00 08:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:49:01 eth0 1.30 0.33 0.35 0.17 0.00 0.00 0.00 0.00 08:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 eth0 2.83 0.40 0.46 0.24 0.00 0.00 0.00 0.00 08:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 7.05 5.12 26.39 2.51 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.17 0.13 0.03 0.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/17/20 _x86_64_ (4 CPU) 08:36:04 LINUX RESTART (4 CPU) 08:37:01 CPU %user %nice %system %iowait %steal %idle 08:38:01 all 2.08 0.00 1.21 0.48 0.00 96.23 08:38:01 0 2.13 0.00 1.15 1.27 0.00 95.45 08:38:01 1 2.09 0.00 1.37 0.30 0.00 96.25 08:38:01 2 2.01 0.00 1.12 0.08 0.00 96.79 08:38:01 3 2.10 0.00 1.19 0.27 0.00 96.44 08:39:01 all 0.14 0.00 0.04 0.00 0.00 99.82 08:39:01 0 0.47 0.00 0.05 0.00 0.00 99.48 08:39:01 1 0.02 0.00 0.02 0.00 0.00 99.97 08:39:01 2 0.05 0.00 0.05 0.00 0.00 99.90 08:39:01 3 0.03 0.00 0.03 0.00 0.00 99.93 08:40:01 all 0.17 0.00 0.02 0.00 0.00 99.80 08:40:01 0 0.52 0.00 0.02 0.00 0.00 99.47 08:40:01 1 0.05 0.00 0.02 0.00 0.00 99.93 08:40:01 2 0.07 0.00 0.03 0.00 0.00 99.90 08:40:01 3 0.07 0.00 0.03 0.00 0.00 99.90 08:41:01 all 0.17 0.00 0.04 0.00 0.00 99.79 08:41:01 0 0.53 0.00 0.03 0.00 0.00 99.43 08:41:01 1 0.03 0.00 0.05 0.00 0.00 99.92 08:41:01 2 0.03 0.00 0.03 0.00 0.00 99.93 08:41:01 3 0.08 0.00 0.05 0.00 0.00 99.87 08:42:01 all 0.16 0.00 0.05 0.00 0.00 99.80 08:42:01 0 0.52 0.00 0.02 0.00 0.00 99.47 08:42:01 1 0.03 0.00 0.03 0.00 0.00 99.93 08:42:01 2 0.05 0.00 0.12 0.00 0.00 99.83 08:42:01 3 0.03 0.00 0.02 0.00 0.00 99.95 08:43:01 all 0.16 0.00 0.03 0.00 0.00 99.81 08:43:01 0 0.52 0.00 0.02 0.00 0.00 99.47 08:43:01 1 0.05 0.00 0.03 0.00 0.00 99.92 08:43:01 2 0.03 0.00 0.07 0.00 0.00 99.90 08:43:01 3 0.03 0.00 0.02 0.00 0.00 99.95 08:44:01 all 0.16 0.00 0.02 0.00 0.00 99.82 08:44:01 0 0.52 0.00 0.02 0.00 0.00 99.47 08:44:01 1 0.05 0.00 0.03 0.00 0.00 99.92 08:44:01 2 0.05 0.00 0.02 0.00 0.00 99.93 08:44:01 3 0.02 0.00 0.02 0.00 0.00 99.97 08:45:01 all 0.16 0.00 0.03 0.00 0.00 99.81 08:45:01 0 0.03 0.00 0.03 0.00 0.00 99.93 08:45:01 1 0.03 0.00 0.03 0.00 0.00 99.93 08:45:01 2 0.57 0.00 0.03 0.00 0.00 99.40 08:45:01 3 0.02 0.00 0.02 0.00 0.00 99.97 08:46:01 all 0.17 0.00 0.01 0.00 0.00 99.82 08:46:01 0 0.02 0.00 0.00 0.00 0.00 99.98 08:46:01 1 0.05 0.00 0.03 0.00 0.00 99.92 08:46:01 2 0.57 0.00 0.02 0.00 0.00 99.42 08:46:01 3 0.03 0.00 0.00 0.00 0.00 99.97 08:47:01 all 0.15 0.00 0.03 0.00 0.00 99.81 08:47:01 0 0.02 0.00 0.03 0.00 0.00 99.95 08:47:01 1 0.03 0.00 0.05 0.00 0.00 99.92 08:47:01 2 0.53 0.00 0.03 0.00 0.00 99.43 08:47:01 3 0.03 0.00 0.02 0.00 0.00 99.95 08:48:01 all 0.16 0.00 0.02 0.00 0.00 99.82 08:48:01 0 0.03 0.00 0.00 0.00 0.00 99.97 08:48:01 1 0.35 0.00 0.03 0.00 0.00 99.62 08:48:01 2 0.23 0.00 0.02 0.00 0.00 99.75 08:48:01 3 0.03 0.00 0.03 0.00 0.00 99.93 08:48:01 CPU %user %nice %system %iowait %steal %idle 08:49:01 all 0.14 0.00 0.02 0.00 0.00 99.83 08:49:01 0 0.00 0.00 0.02 0.00 0.00 99.98 08:49:01 1 0.48 0.00 0.05 0.00 0.00 99.47 08:49:01 2 0.03 0.00 0.03 0.00 0.02 99.92 08:49:01 3 0.03 0.00 0.00 0.00 0.00 99.97 08:50:01 all 0.04 0.00 0.03 0.00 0.00 99.92 08:50:01 0 0.02 0.00 0.03 0.00 0.00 99.95 08:50:01 1 0.05 0.00 0.03 0.00 0.02 99.90 08:50:01 2 0.07 0.00 0.03 0.00 0.00 99.90 08:50:01 3 0.02 0.00 0.03 0.00 0.00 99.95 Average: all 0.30 0.00 0.12 0.04 0.00 99.55 Average: 0 0.41 0.00 0.11 0.10 0.00 99.39 Average: 1 0.26 0.00 0.14 0.02 0.00 99.58 Average: 2 0.33 0.00 0.12 0.01 0.00 99.54 Average: 3 0.19 0.00 0.11 0.02 0.00 99.67